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- 1983-1994 IDI Diesel 6.9/7.3
- 1994-1997 Powerstroke 7.3
- 1999-2003 Powerstroke 7.3
-
2003-2007 Powerstroke 6.0
- Air Intake Systems
- Charging & Starting
- Cooling System
- Differential Parts
- Engine Parts
- Exhaust Brakes
- Exhaust Components
- Exhaust Systems
- Filters
- Fluids
- Fuel Injector Control Modules
- Fuel Systems
- High Pressure Oil System
- Injectors
- Intercoolers
- Package Deals
- Power Modules/Programmers
- Steering
- Transmissions/Upgrades
- Turbochargers
- 2008-2010 Powerstroke 6.4
- 2011-2016 Powerstroke 6.7
- 2017-2023 Powerstroke 6.7
- AFE Power
- Agricultural Diesel Products
- Airdog
- Alliant
- ARP Bolts
- ATI Dampner
- ATS Diesel Performance
- Auto Enginuity
- Autometer
- Banks Power
- BD Diesel
- Beans Diesel Performance
- Black Diamond Diesel
- Bostech
- Bullet Proof Diesel
- Bully Dog
- Callies
- Colt Cams
- DFC Diesel
- Diesel RX
- Diesel Site
- Dynomite Diesel
- Edge Products
- FASS Fuel Systems
- Fleece Performance
- Fluidampr
- FTP
- Garrett Turbos
- H&S Motorsports
- Industrial Injection
- Injen
- K&N Filters
- Mag-Hytec
- Magnaflow
- Mahle
- MBRP Exhaust
- Mean Green
- Merchant Automotive
- Mishimoto
- Motorcraft
- Nitro Gear and Axle
- No Limit Fabrication
- Powerstroke Products
- PPE
- Racor
- Ranch Hand Bumpers
- Redhead Steering
- Rev X
- S&B Filters
- SCT Programmers
- South Bend Clutch
- Xotic Head Studs
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2010-2018 6.7 Cummins CR
In 2010, Ram introduced the 4th generation Cummins engine, which continued until 2018. This generation of Ram HD trucks featured numerous new features and technologies, including replacing quad cab trucks with full-size crew cabs. Ram also retained their Mega Cab models, and numerous trims were added to the Ram truck lineup to give a much-needed interior boost. The Laramie Longhorn and Limited trims made Ram trucks a leader in interior luxury.
Performance additions for the 4th generation Ram HD trucks included a more reliable 68 RFE transmission and a new Aisin transmission. Depending on the transmission, the same model year truck could have different horsepower and torque outputs. Ram created a chart for 4th generation 6.7L Cummins Specifications to help customers compare and choose the right model for their needs.
The 6.7L Cummins engine didn't initially blast onto the scene in 2007 as a segment leader in horsepower or torque. Its design had plenty more to give, and one year into fourth-gen Ram production, an available high output 800 lb-ft torque rating was released. This was available so long as it was paired with the 68RFE automatic transmission. The G56 transmission remained available through the '18 model year, with Ram offering a class-exclusive manual transmission option since 2011. However, the 6.7L Cummins' torque rating was lower in the G56 combination, topping out at 660 lb-ft beginning in 2013.
Chrysler was fully aware of the torque input limits of the 68RFE automatic and turned to the Aisin AS69RC—a variant of the AS68RC that had debuted in its 4500/5500 chassis cab trucks in 2008—in order to handle further torque increases from the 6.7L Cummins. Equipped with a 12.2-inch diameter torque converter, an input shaft with a 1.06-inch diameter, and a 1.68-inch output shaft, the AS69RC proved heavy-duty enough to handle the Cummins' increasing torque ratings.
The 6.7L Cummins engine was introduced due to new emissions requirements and the need for a more powerful engine. The 3rd generation Cummins engine had proven to be reliable and capable, but it could no longer meet stricter emissions standards. The 6.7L engine included several changes compared to the 5.9L engine, including a diesel particulate filter (DPF) that was added to Ram's heavy-duty truck lineup. The purpose of the DPF was to significantly reduce carbon emissions from the trucks. Since then, Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction (SCR) have been added as emissions control devices too.